Merge branch 'fixes-25' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq

[sfrench/cifs-2.6.git] / security / security.c

diff --git a/security/security.c b/security/security.c
index 0e1f1f124368b03aa31df48552030ed17bf7946e..d15e56cbaadeea25c550cfc985de2dbbfbf410fa 100644 (file)
--- a/security/security.c
+++ b/security/security.c
@@ -23,7 +23,9 @@ extern struct security_operations dummy_security_ops;
 extern void security_fixup_ops(struct security_operations *ops);
 
 struct security_operations *security_ops;      /* Initialized to NULL */
-unsigned long mmap_min_addr;           /* 0 means no protection */
+
+/* amount of vm to protect from userspace access */
+unsigned long mmap_min_addr = CONFIG_SECURITY_DEFAULT_MMAP_MIN_ADDR;
 
 static inline int verify(struct security_operations *ops)
 {
@@ -288,11 +290,6 @@ void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *d
        security_ops->sb_post_remount(mnt, flags, data);
 }
 
-void security_sb_post_mountroot(void)
-{
-       security_ops->sb_post_mountroot();
-}
-
 void security_sb_post_addmount(struct vfsmount *mnt, struct nameidata *mountpoint_nd)
 {
        security_ops->sb_post_addmount(mnt, mountpoint_nd);
@@ -308,6 +305,26 @@ void security_sb_post_pivotroot(struct nameidata *old_nd, struct nameidata *new_
        security_ops->sb_post_pivotroot(old_nd, new_nd);
 }
 
+int security_sb_get_mnt_opts(const struct super_block *sb,
+                             char ***mount_options,
+                             int **flags, int *num_opts)
+{
+       return security_ops->sb_get_mnt_opts(sb, mount_options, flags, num_opts);
+}
+
+int security_sb_set_mnt_opts(struct super_block *sb,
+                             char **mount_options,
+                             int *flags, int num_opts)
+{
+       return security_ops->sb_set_mnt_opts(sb, mount_options, flags, num_opts);
+}
+
+void security_sb_clone_mnt_opts(const struct super_block *oldsb,
+                               struct super_block *newsb)
+{
+       security_ops->sb_clone_mnt_opts(oldsb, newsb);
+}
+
 int security_inode_alloc(struct inode *inode)
 {
        inode->i_security = NULL;
@@ -478,11 +495,11 @@ int security_inode_killpriv(struct dentry *dentry)
        return security_ops->inode_killpriv(dentry);
 }
 
-int security_inode_getsecurity(const struct inode *inode, const char *name, void *buffer, size_t size, int err)
+int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
 {
        if (unlikely(IS_PRIVATE(inode)))
                return 0;
-       return security_ops->inode_getsecurity(inode, name, buffer, size, err);
+       return security_ops->inode_getsecurity(inode, name, buffer, alloc);
 }
 
 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
@@ -816,6 +833,12 @@ int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
 }
 EXPORT_SYMBOL(security_secid_to_secctx);
 
+int security_secctx_to_secid(char *secdata, u32 seclen, u32 *secid)
+{
+       return security_ops->secctx_to_secid(secdata, seclen, secid);
+}
+EXPORT_SYMBOL(security_secctx_to_secid);
+
 void security_release_secctx(char *secdata, u32 seclen)
 {
        return security_ops->release_secctx(secdata, seclen);